25321425045 has 16 divisors (see below), whose sum is σ = 46302034560. Its totient is φ = 11575508544.

The previous prime is 25321425037. The next prime is 25321425049. The reversal of 25321425045 is 54052412352.

It is a happy number.

It is not a de Polignac number, because 25321425045 - 2³ = 25321425037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25321424997 and 25321425015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25321425049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120578110 + ... + 120578319.

It is an arithmetic number, because the mean of its divisors is an integer number (2893877160).

Almost surely, 2^25321425045 is an apocalyptic number.

It is an amenable number.

25321425045 is a deficient number, since it is larger than the sum of its proper divisors (20980609515).

25321425045 is a wasteful number, since it uses less digits than its factorization.

25321425045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241156444.

The product of its (nonzero) digits is 48000, while the sum is 33.

Adding to 25321425045 its reverse (54052412352), we get a palindrome (79373837397).

The spelling of 25321425045 in words is "twenty-five billion, three hundred twenty-one million, four hundred twenty-five thousand, forty-five".